CN108601179A - Loop control unit and loop control system - Google Patents
Loop control unit and loop control system Download PDFInfo
- Publication number
- CN108601179A CN108601179A CN201810544742.9A CN201810544742A CN108601179A CN 108601179 A CN108601179 A CN 108601179A CN 201810544742 A CN201810544742 A CN 201810544742A CN 108601179 A CN108601179 A CN 108601179A
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- Prior art keywords
- circuit
- loop control
- control unit
- governor
- load
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- 230000005611 electricity Effects 0.000 claims abstract description 11
- 241001465382 Physalis alkekengi Species 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of loop control unit and loop control systems, wherein the loop control unit includes：Governor circuit and load control circuit, the load control circuit includes load circuit, electrical parameter Acquisition Circuit and switching circuit, the governor circuit, switching circuit, load circuit and electrical parameter Acquisition Circuit are sequentially connected, the governor circuit is also connect with the electrical parameter Acquisition Circuit, and the governor circuit is communicated to connect with remote side administration equipment.The present invention is equipped with corresponding electrical parameter Acquisition Circuit and switched output circuits to each load, the electrical parameter information of acquisition is generated electric signal and is sent to the governor circuit by the electrical parameter Acquisition Circuit, so that governor circuit generates corresponding drive signal according to electric signal drives being turned on and off for the switching circuit, the electricity consumption of load is managed automatically to realize.
Description
Technical field
The present invention relates to circuit control technology field more particularly to a kind of loop control unit and loop control systems.
Background technology
As living standard improves, continuous pursuit of the people to quality of the life, traditional single switch and traditional photograph
It is bright can not be with generation all into the large area such as especially present school, factories and miness, big region power consumption management, traditional approach still use
It manually interrogates or the mode of manual switch is managed electricity consumption, to cause greatly to waste to human resources, power resource.
Invention content
The main purpose of the present invention is to provide a kind of loop control unit and loop control systems, it is intended to solve existing nothing
Method realizes the intelligentized technical problem of loop control unit.
To achieve the above object, the present invention provides a kind of loop control unit, and the loop control unit includes：Governor circuit and
Load control circuit, the load control circuit include load circuit, electrical parameter Acquisition Circuit and switching circuit, the master control electricity
Road, switching circuit, load circuit and electrical parameter Acquisition Circuit are sequentially connected, and the governor circuit also acquires electricity with the electrical parameter
Road connects, and the governor circuit is communicated to connect with remote side administration equipment；
The electrical parameter Acquisition Circuit, for acquiring the electrical parameter information loaded in the circuit residing for present load circuit,
And corresponding electric signal is generated to the governor circuit, the electric signal is sent to remote side administration equipment by the governor circuit；
The governor circuit, driving corresponding with the electric signal letter for receiving the remote side administration equipment feedback
Number, being turned on and off for the switching circuit is driven according to the drive signal.
Preferably, the loop control unit includes multiple load control circuits, the load control circuit with the master
Control circuit connection.
Preferably, the loop control unit further includes display circuit, and the display circuit connects the governor circuit.
Preferably, the loop control unit further includes switching value input circuit, and the switching circuit includes contactor, described
The input terminal of contactor connects the governor circuit, and the output end of the governor circuit connects the switching value input circuit.
Preferably, the loop control unit further includes power circuit, and the power circuit connects the governor circuit.
Preferably, the loop control unit further includes light adjusting circuit, and the control terminal of the light adjusting circuit connects the master control
The output end of circuit, the light adjusting circuit connects lamps and lanterns.
Preferably, the loop control unit further includes sensor, and the output end of the sensor connects the governor circuit.
Preferably, the sensor is at least one in light sensor, Temperature Humidity Sensor and PM2.5 sensors
.
In addition, to achieve the above object, the present invention also proposes that a kind of loop control system, the loop control system include
Remote side administration equipment and loop control unit as described above.
Preferably, the remote side administration equipment is carried out data transmission with the loop control unit by GPRS.
The present invention is by loop control unit, to each load equipped with corresponding electrical parameter Acquisition Circuit and switch output electricity
The control terminal on road, the switched output circuits connects the governor circuit, and the electrical parameter Acquisition Circuit joins the electricity of acquisition
Number information generates electric signal and is sent to the governor circuit, is driven so that governor circuit generates corresponding drive signal according to electric signal
Being turned on and off for the switching circuit is moved, the electricity consumption of load is managed automatically to realize, improves the circuit control
The intelligence of device.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of loop control unit of the present invention；
Fig. 2 is the structural schematic diagram of another embodiment of loop control unit of the present invention；
Fig. 3 is the structural schematic diagram of loop control unit another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of one embodiment of loop control system of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Loop control unit | 70 | Display circuit |
| 10 | Load circuit | 80 | Contactor |
| 20 | Electrical parameter Acquisition Circuit | 90 | Switching value input circuit |
| 30 | Governor circuit | 110 | Sensor |
| 40 | Switching circuit | 120 | Light adjusting circuit |
| 50 | Remote side administration equipment | 130 | Load control circuit |
| 60 | Power circuit | 200 | Loop control system |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of 100 1 embodiment of loop control unit.
Referring to Fig.1, Fig. 1 is a kind of structural schematic diagram of 100 1 embodiment of loop control unit.
In embodiments of the present invention, the loop control unit 100 includes：Governor circuit 30 and load control circuit 130, institute
State load control circuit 130 include load circuit 10, electrical parameter Acquisition Circuit 20 and switching circuit 40, the governor circuit 30,
Switching circuit 40, load circuit 10 and electrical parameter Acquisition Circuit 20 are sequentially connected, the governor circuit 30 also with the electrical parameter
Acquisition Circuit 20 connects, and the governor circuit 30 is communicated to connect with remote side administration equipment 50.
It should be noted that in the present embodiment, equipped with corresponding electrical parameter Acquisition Circuit 20 and opening each load
Powered-down road 40, to realize the power consumption management of the load circuit 10 corresponding to a certain region, for example, by positioned at the lamp of workshop A
Tool is managed by a switching circuit 40, can be also managed by multiple switch circuit 40, the present embodiment does not make this
Limitation.
In the present embodiment, the remote side administration equipment 50 can be far-end server, can also be far-end mobile, such as
Mobile phone, tablet computer (Portable Android Device) PAD etc., the present embodiment is not restricted this, in the present embodiment
In, it is illustrated by taking far-end server as an example.
It is understood that the load circuit 10 is the electronics being connect with 60 both ends of power circuit of connection in circuit
Element, such as light bulb etc. can consume the element of power, in the present embodiment, be illustrated by taking the lamps and lanterns of each workshop as an example.
The electrical parameter Acquisition Circuit 20, for acquiring the electrical parameter loaded in the circuit residing for present load circuit 10 letter
Breath, and corresponding electric signal is generated to the governor circuit 30, so that the electric signal is sent to far by the governor circuit 30
Hold management equipment 50.
In the present embodiment, in 20 acquisition circuit of electrical parameter Acquisition Circuit corresponding load circuit 10 voltage, electricity
The electrical parameters information such as stream and power, and corresponding parameter electric signal output is generated to the governor circuit 30, so that the master
Control circuit 30 is shown the parameter electric signal output to display circuit 70 accordingly, to realize to load circuit 10
Management.
In the concrete realization, the electrical parameter Acquisition Circuit 20 by acquire the power that currently consumes of load circuit A or
The power currently consumed or voltage value and current value can be passed through the governor circuit 30 by voltage value and current value
Output to the display circuit 70 is shown, to realize the management and control to each load circuit 10,
The governor circuit 30, the driving corresponding with the electric signal fed back for receiving the remote side administration equipment 50
Signal drives being turned on and off for the switching circuit 40 according to the drive signal.
In the concrete realization, the governor circuit 30 compares the electric signal with default electric signal by comparing circuit
Compared with according to the corresponding drive signal of comparison result generation to the switching circuit 40, to drive the switching circuit 40 to carry out
It is turned on and off, for example, when corresponding consumption power reaches preset value in current electrical parameter, to current load circuit 10
Corresponding switching circuit 40 is closed, to achieve the purpose that using electricity wisely.
In order to improve the intelligence of the loop control unit 100, in the present embodiment, the governor circuit 30 may include nothing
Line telecommunication circuit can be communicated by the radio communication circuit with remote side administration equipment 50, to be set by remote side administration
Standby 50 pairs of switching circuits 40 carry out management and control, for example, the management application that user can be in the quitting time by being run on mobile phone
(Application, APP) sends out code to some region of load circuit 10, and the governor circuit 30 refers to according to closing
It enables and sends corresponding closing driving instruction to load circuit 10, to realize management and control of the distal end for load circuit 10.
Technical solution provided by the invention, by equipped with corresponding electrical parameter Acquisition Circuit 20 and being switched to each load
The control terminal of circuit 40, the switching circuit 40 connects the governor circuit 30, and the electrical parameter Acquisition Circuit 20 will acquire
Electrical parameter information generate electric signal be sent to the governor circuit 30 so that governor circuit 30 according to electric signal generate it is corresponding
Drive signal drives being turned on and off for the switching circuit 40, and pipe is carried out to the electricity consumption of load circuit 10 automatically to realize
Reason, improves the intelligence of the loop control unit 100.
It is a kind of structural schematic diagram of 100 another embodiment of loop control unit, the loop control unit with reference to Fig. 2, Fig. 2
100 include multiple load control circuits 130, and the load control circuit 130 is connect with the governor circuit 30, to realize
Management and control is carried out respectively to the corresponding load control circuit in each region 130.
Fig. 3 is a kind of structural schematic diagram of 10 another embodiment of loop control unit, and the loop control unit 100 further includes showing
Show that circuit 70, the display circuit 70 connect the governor circuit 30.
It should be noted that the display circuit 70 can be liquid crystal display (Liquid Crystal Display,
LCD), can also be the component of other realization same or similar functions, the present embodiment is not restricted this, in the present embodiment, with
It is illustrated for LCD.
In the concrete realization, the display circuit 70 can show the operating status of each circuit, while can also be to each circuit
Pipe diameter design carries out local relative parameters setting, such as can carry out personalization to parameter of display, including color, shape etc. and set
It sets.
Further, the loop control unit 100 further includes switching value input circuit 90, and the switching circuit 40 includes connecing
Tentaculum 80, the input terminal of the contactor 80 connect the governor circuit 30, described in the output end connection of the governor circuit 30
Switching value input circuit 90；
In the present embodiment, it is equipped with contactor 80 on the switching circuit 40, is acquired and is switched by the contactor 80
The current state of circuit 40, such as it is in the state of open circuit in switching circuit 40, the contactor 80 in switching circuit 40 can be passed through
The low-voltage signal of middle contact sent out is judged to be currently at open-circuit condition.
The contactor 80, for acquiring the connection status in the circuit residing for present load circuit 10, and generation and institute
State the corresponding state electric signal of connection status；The switching value input circuit 90, for receiving the output of the governor circuit 30
State electric signal compares the state electric signal with preset signals, and comparing result is exported to the display circuit
70 are shown.
In the concrete realization, the operating status of switching circuit 40 is acquired by contactor 80, and operating status is generated into shape
For state electric signal output to the governor circuit 30, the governor circuit 30 is electric to the defeated people of the switching value by state electric signal output
Road, the switching value input circuit 90 compare preset on off state and actual on off state, so as to judge
Whether circuit is faulty, and faulty circuit is shown by display circuit 70, for example, switching value input circuit 90 connects
It connects governor circuit 30 and detects 10 A.C. contactor of load circuit, 80 end switch state, sentencing for line fault is carried out by off state
It is disconnected, to the intelligence of the loop control unit 100.
Further, the loop control unit 100 further includes power circuit 60, and the power circuit 60 connects the master control
Circuit 30, the power circuit 60 include rectification circuit and filter circuit.
In order to ensure the normal work of each circuit in the loop control unit 100, in the present embodiment, it is equipped with power circuit
60, the power circuit 60 connects the governor circuit 30, to by the power circuit 60 to the governor circuit 30 into
Row power supply, ensures the normal work of each circuit.
Further, the power circuit 60 further includes rectification circuit.
It should be noted that when power circuit 60 inputs alternating current, the alternating current by 220V is needed to become after step-down rectifier
5V direct currents are changed to, so as to which just workable circuit maintains normal work to only needing direct current.
In the concrete realization, the power circuit 60 includes rectification circuit, by the rectification circuit by the alternating current of 220V
5V direct currents are transformed to after decompression and rectification circuit, to ensure the normal of each circuit in the loop control unit 100
Work.
Further, the loop control unit 100 further includes sensor 110, and the output end of the sensor 110 connects institute
State governor circuit 30.
The sensor 110 is at least one in light sensor, Temperature Humidity Sensor and PM2.5 sensors.
It should be noted that the loop control unit 100 further includes multiple sensors 110, acquired according to sensor 110
Current state information, and the status information is exported to the governor circuit 30, and carried out accordingly in the display circuit 70
Displaying, improve the intelligence of the loop control unit 100.
Further, the loop control unit 100 further includes light adjusting circuit 120, and the control terminal of the light adjusting circuit 120 connects
The governor circuit 30 is connect, the output end of the light adjusting circuit 120 connects lamps and lanterns.
The governor circuit 30 is additionally operable to generate corresponding adjusting driving according to the electric signal that the sensor 110 exports
Signal is to the light adjusting circuit 120, so that the light adjusting circuit 120 adjusts the bright of the lamps and lanterns according to the adjusting drive signal
Degree.
In the present embodiment, the light adjusting circuit 120 can be pulse width modulation (Pulse Width Modulation,
PWM) the light modulation output circuit of form, the light adjusting circuit 120 are connect with governor circuit 30, can pass through the governor circuit 30
Drive signal is mixed colours to the light modulation of each lamps and lanterns and compartmentalization illumination progress circuit in load circuit 10 and is controlled, to improve use
It experiences at family.
Technical solution provided in this embodiment, the loop control unit 100 is equipped with power circuit 60, light adjusting circuit 120, more
Kind sensor 110, switching value input circuit 90 and display circuit 70, can be driven by the drive signal of the governor circuit 30
The power circuit 60, light adjusting circuit 120, multiple sensors 110, switching value input circuit 90 and display circuit 70 carry out phase
The processing answered, to realize the intelligence of loop control unit 100.
The present invention also proposes that a kind of loop control system 200, the loop control system 200 include remote side administration equipment 50
And loop control unit 100 as described above, the structure diagram of one embodiment of loop control system as shown in Figure 4.
Further, the remote side administration equipment 50 passes through general packet radio service with the loop control unit 100
(General Packet Radio Service, GPRS) carries out data transmission.The concrete structure of the loop control unit 100 is joined
According to above-described embodiment, since the loop control system 200 uses whole technical solutions of above-mentioned all embodiments, until
All advantageous effects caused by technical solution with above-described embodiment less, this is no longer going to repeat them.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of loop control unit, which is characterized in that the loop control unit includes：Governor circuit and load control circuit, institute
It includes load circuit, electrical parameter Acquisition Circuit and switching circuit to state load control circuit, and the governor circuit, is born switching circuit
It carries circuit and electrical parameter Acquisition Circuit is sequentially connected, the governor circuit is also connect with the electrical parameter Acquisition Circuit, the master
Circuit is controlled to communicate to connect with remote side administration equipment；
The electrical parameter Acquisition Circuit, for acquiring the electrical parameter information loaded in the circuit residing for present load circuit, and it is raw
At corresponding electric signal to the governor circuit, the electric signal is sent to remote side administration equipment by the governor circuit；
The governor circuit, the drive signal corresponding with the electric signal for receiving the remote side administration equipment feedback, root
Being turned on and off for the switching circuit is driven according to the drive signal.
2. loop control unit as described in claim 1, which is characterized in that the loop control unit includes multiple load control electricity
Road, the load control circuit are connect with the governor circuit.
3. loop control unit as described in claim 1, which is characterized in that the loop control unit further includes display circuit, institute
It states display circuit and connects the governor circuit.
4. loop control unit as claimed any one in claims 1 to 3, which is characterized in that the loop control unit further includes
Switching value input circuit, the switching circuit include contactor, and the input terminal of the contactor connects the governor circuit, described
The output end of governor circuit connects the switching value input circuit.
5. loop control unit as claimed any one in claims 1 to 3, which is characterized in that the loop control unit further includes
Power circuit, the power circuit connect the governor circuit.
6. loop control unit as claimed any one in claims 1 to 3, which is characterized in that the loop control unit further includes
The control terminal of light adjusting circuit, the light adjusting circuit connects the governor circuit, and the output end of the light adjusting circuit connects lamps and lanterns.
7. loop control unit as claimed any one in claims 1 to 3, which is characterized in that the loop control unit further includes
The output end of sensor, the sensor connects the governor circuit.
8. loop control unit as claimed in claim 7, which is characterized in that the sensor is light sensor, humiture biography
At least one of in sensor and PM2.5 sensors.
9. a kind of loop control system, which is characterized in that the loop control system includes remote side administration equipment and such as right
It is required that the loop control unit described in any one of 1 to 8.
10. loop control system as claimed in claim 9, which is characterized in that the remote side administration equipment is controlled with the circuit
Device processed is carried out data transmission by GPRS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544742.9A CN108601179A (en) | 2018-05-30 | 2018-05-30 | Loop control unit and loop control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544742.9A CN108601179A (en) | 2018-05-30 | 2018-05-30 | Loop control unit and loop control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108601179A true CN108601179A (en) | 2018-09-28 |
Family
ID=63630542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544742.9A Withdrawn CN108601179A (en) | 2018-05-30 | 2018-05-30 | Loop control unit and loop control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108601179A (en) |
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Application publication date: 20180928 |
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| WW01 | Invention patent application withdrawn after publication |